Compilare: user.cpp: In function ‘int main()’: user.cpp:33:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] mC[a][-1] = -1; ^ user.cpp:36:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] mC[a][i] = i; ^ user.cpp:38:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] mC[a][i] = mC[a][i-1]; ^ user.cpp:38:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] mC[a][i] = mC[a][i-1]; ^ user.cpp:44:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mC[a][ln-1] == -1) ^ user.cpp:53:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(i != j && mC[a][j] > i) { ^ user.cpp:58:60: warning: array subscript has type ‘char’ [-Wchar-subscripts] m[i][j] = max(m[i][j], m[i+1][ mC[a][j]-1 ]+2); ^ user.cpp:33:17: warning: array subscript is below array bounds [-Warray-bounds] mC[a][-1] = -1; ^ user.cpp:33:13: warning: array subscript is above array bounds [-Warray-bounds] mC[a][-1] = -1; ^ user.cpp:36:21: warning: array subscript is above array bounds [-Warray-bounds] mC[a][i] = i; ^ user.cpp:38:32: warning: array subscript is above array bounds [-Warray-bounds] mC[a][i] = mC[a][i-1]; ^ user.cpp:38:21: warning: array subscript is above array bounds [-Warray-bounds] mC[a][i] = mC[a][i-1]; ^ user.cpp:44:16: warning: array subscript is above array bounds [-Warray-bounds] if(mC[a][ln-1] == -1) ^ user.cpp:53:39: warning: array subscript is above array bounds [-Warray-bounds] else if(i != j && mC[a][j] > i) { ^